Applies to NetApp Cloud Backup (AltaVault) Windows 2012 or Windows 8 AltaVault versions 4.0.x and 4.1.x AltaVault version 4.2 and later supports SMB secure negotiation with FSCTL_VALIDATE_NEGOTIATE_IN...Applies to NetApp Cloud Backup (AltaVault) Windows 2012 or Windows 8 AltaVault versions 4.0.x and 4.1.x AltaVault version 4.2 and later supports SMB secure negotiation with FSCTL_VALIDATE_NEGOTIATE_INFO signed IOCTL. It is not necessary to disable this feature if the AltaVault is running 4.2 or later. Issue A Windows 2012R2 backup job to Altavault cifs share fails with the following error message: Error: Invalid Signature Cause (External)
